Skip to main content

Table 1 Patient characteristics

From: Effectiveness of lower target temperature therapeutic hypothermia in post-cardiac arrest syndrome patients with a resuscitation interval of ≤30 min

Variable Group L Group M P value
(32.0–33.5 °C) (34.0–35.0 °C)
n = 42 n = 425
Age (years) 52 (44–61) 61 (53–69) <0.001
Male (%) 37 (88 %) 349 (82 %) 0.399
Bystander CPR (%) 18 (43 %) 225 (53 %) 0.257
 Witness (%) 27/34 (79 %) 298/373 (80 %) 1.000
Cardiogenic cardiac arrest (%) 41 (98 %) 398 (94 %) 0.497
 VF/VT (%) 35/42 (83 %) 286/419 (68 %) 0.052
Target temperature (°C) 33.0 (33.0–33.0) 34.0 (34.0–34.0) <0.001
 Over-cooling (%) 15/42 (36 %) 86/404 (21 %) 0.051
Interval from collapse to ROSC (min) 24 (15–41) 21 (13–34) 0.154
Interval from ROSC to target temperature (min) 180 (105–290) 170 (74–335) 0.657
Duration of time at the target temperature (h) 34 (24–50) 25 (24–38) 0.004
Rewarming time (days) 3 (2–4) 2 (1–3) <0.001
Cooling method    
 Initial infusion of cold fluid 27/42 (64 %) 229/425 (54 %) 0.255
 Surface cooling 27/42 (64 %) 197/416 (47 %) 0.051
Device used    
 Percutaneous cardiopulmonary support 6/30 (20 %) 84/325 (26 %) 0.661
CPC 1–2 on day 30 27 (64 %) 232 (55 %) 0.258
  1. Values are presented as the n (%) or median (interquartile range)
  2. CPR cardiopulmonary resuscitation, VF ventricular fibrillation, VT, ventricular tachycardia, ROSC return of spontaneous circulation, CPC cerebral performance category